Firefox and Thunderbird hit the fortnightly release treadmill
Don't disable automatic updates if the pace is too much – that's what ESR is for
Mozilla released Firefox 155 and Thunderbird 155, following an accelerated fortnightly release schedule. The new features in Firefox 155 emphasize AI capabilities, including a Smart Window, smarter tab-group naming, and the number of blocked trackers displayed in the address bar. Firefox containers now allow users to change their order.
Thunderbird 155 includes small but useful improvements, such as a QR code export feature for syncing settings between desktop and Android, enhanced handling of S/MIME encrypted attachments, and better OAuth authorization. Users can also customize authentication flows for services and extensions. Additionally, Mozilla has added more languages, such as Marathi and Urdu, to its local translation feature.
For those preferring stability, Mozilla also offers the ESR (Extended Support Release) versions, which provide longer-term support with fewer frequent changes.
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